fix: 部署向导页强制刷新设备发现，避免 UDP 丢包导致设备不显示

internal/web/ui.go

@@ -1361,6 +1361,10 @@ func (u *UI) actionConsoleSave(w http.ResponseWriter, r *http.Request) {
 
 func (u *UI) pageWizard(w http.ResponseWriter, r *http.Request) {
     u.ensureDevicesLoaded()
+    // Force a fresh discovery to pick up all devices reliably.
+    if u.discovery != nil {
+        u.discovery.SearchDefault()
+    }
     data := PageData{Title: "部署向导"}
     data.Devices = u.registry.GetDevices()
     if u.preview != nil {